tinkering
Text will now display for achievements

Conditions can now be set for achievements. When these conditions are
met text will be displayed at the top of the screen.
The Text for Achievements has a timer

The text for achievements will only display for a short period of time
Merge branch 'Achievements-Test'
Merge branch 'master' into logic-cleanup
Cleaned up the Tile:draw() method and now just need a click() handler.